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Poise and Stokes Viscosity Converter — result sheet
Convert dynamic viscosity to SI and poise units and derive kinematic viscosity in stokes from density.
Inputs used
Results
Visual chart
Breakdown
Calculation steps
Returned data table
Formula and methodology
Formula: ν = μ/ρ; μ(Pa·s) = μ(cP)×10⁻³; ν(cSt) = ν(m²/s)×10⁶; 1 P = 0.1 Pa·s and 1 St = 10⁻⁴ m²/s.
Dynamic viscosity describes resistance to shear, while kinematic viscosity divides that resistance by density. This page accepts dynamic viscosity in centipoise and density in SI units, then reports pascal-seconds, poise, square metres per second, stokes, and centistokes. The unit conversion and the density division are kept visible so a cP-to-cSt comparison does not silently assume water density.
This result follows the calculator's declared inputs, precision, validation boundaries, and model limits.
Input contract
- Dynamic viscosity — cP; minimum 1.0E-9; maximum 1.0E+15
- Fluid density — kg/m³; minimum 1.0E-6; maximum 100000000
Worked example
| Input | Value |
|---|---|
| Dynamic viscosity | 1 |
| Fluid density | 1000 |
1 cP = 0.001 Pa·s = 0.01 P and gives 1 cSt = 0.000001 m²/s at 1000 kg/m³.
Assumptions and limits
- The density and viscosity describe the same fluid state and temperature.
- The result uses the standard definitions μ in Pa·s, ρ in kg/m³, and ν in m²/s; no temperature correction or fluid-property lookup is performed.
- A cP-to-cSt conversion requires density, so the output is not a fixed one-number conversion for every liquid.
Calculator note
Source and methodology
Use the official WorldCalculate methodology policy for the source, formula, precision, and boundary standards behind this calculator.
Planning estimate, not financial, medical, legal, or professional advice. © WorldCalculate — reuse with attribution. Built and curated by Hassan ALRowaie.
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